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reached 185 cm (73 in). It is a long and slender rangeomorph, its structure consists of single-sided branches with both primary and secondary branches rising from a central stalk. The primary branches were capable of minor pivoting as shown in the bundles of secondary branches. The adult
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M. LAFLAMME, G. M. NARBONNE, C. GREENTREE & M. M. ANDERSON. 2016. Morphology and taphonomy of an
Ediacaran frond: Charnia from the Avalon Peninsula of Newfoundland. Department of Geological Sciences and Geological Engineering, Queen’s University, Kingston, Ontario, Canada K7L 3N6.
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is believed to have reproduced asexually. Taller organisms were surrounded by large clusters of offspring. It grew by addition of new branches at the tip of the frond. There may be a link between its mode of reproduction and its large body size.
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The generic name is taken from the French word, trépassés, which translates to "those that have departed forever" (or "corpses") and honors the
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was that it used its long, slender petalodium for continuous feeding at all heights above the sea floor.
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is one of the oldest known rangeomorphs and spanned over one meter in length. Longest specimens of
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585:"Reconstructing a lost world: Ediacaran rangeomorphs from Spaniard's Bay, Newfoundland"
394:"Reconstructing a Lost World: Ediacaran Rangeomorphs from Spaniard's Bay, Newfoundland"
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had substantial thickness, shown by the cylindrical cross-section of the frond.
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Narbonne, Guy M.; Laflamme, Marc; Greentree, Carolyn; Trusler, Peter (2009).
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Narbonne, Guy M.; Laflamme, Marc; Greentree, Carolyn; Trusler, Peter (2009).
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Brasier, Martin D.; Antcliffe, Jonathan B.; Liu, Alexander G. (2012).
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364:"Ediacaran Fossils: One Species at a Time | Smithsonian Ocean"
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283:; it was referred under this synonym in a 2016 paper.
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540:Gazette - Memorial University of Newfoundland
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534:Collins, Kelly Foss and Sarah (2018-06-26).
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120:from the Drooks Formation in Newfoundland
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16:Extinct species of disc-shaped organism
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449:"The architecture of Ediacaran Fronds"
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253:is a 579 million-year-old fossil of
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336:Mistaken Point Ecological Reserve
474:10.1111/j.1475-4983.2012.01164.x
306:The suspension-feed strategy of
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260:. It was first discovered by
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338:in Newfoundland, Canada.
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126:Scientific classification
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589:Journal of Paleontology
398:Journal of Paleontology
342:has only been found in
334:of Newfoundland and in
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673:Paleobiology Database
27:Temporal range: Late
116:A large specimen of
601:2009JPal...83..503N
465:2012Palgy..55.1105B
410:2009JPal...83..503N
609:10.1666/08-072R1.1
560:"Trepassia wardae"
536:"Why life got big"
418:10.1666/08-072R1.1
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641:Taxon identifiers
564:www.Ediacaran.org
266:Martin D. Brasier
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459:(5): 1105–1124.
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706:Rangeomorpha
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344:Newfoundland
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167:Rangeomorpha
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258:rangeomorph
152:Petalonamae
695:Categories
569:2021-11-16
545:2021-11-18
373:2021-11-16
350:References
287:Morphology
270:Trepassia.
664:Q51077157
649:Trepassia
625:129788025
617:0022-3360
483:1475-4983
434:129788025
426:0022-3360
340:Trepassia
324:Trepassia
312:Trepassia
301:Trepassia
296:T. wardae
292:Trepassia
274:Trepassey
255:Ediacaran
250:Trepassia
192:Species:
132:Kingdom:
29:Ediacaran
24:Trepassia
658:Wikidata
509:Archived
491:86538017
229:Synonyms
144:Phylum:
137:Animalia
701:Fossils
597:Bibcode
461:Bibcode
406:Bibcode
330:on the
279:Charnia
238:Charnia
174:Genus:
159:Class:
678:151822
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621:S2CID
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281:wardi
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164:†
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52:O
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